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    GeForce GTX 660 vs Radeon R9 M290X

    If you are going to buy a new graphics card and are choosing between GeForce GTX 660 and Radeon R9 M290X, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce GTX 660 stacks up against Radeon R9 M290X, check out specs charts below.
    GeForce GTX 660 Check Price
    Radeon R9 M290X Check Price

    Radeon R9 M290X is a Laptop Graphics Card

    Note: Radeon R9 M290X is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon R9 M290X here:

    Radeon R9 M290X Laptops

    Main Specs

      GeForce GTX 660 Radeon R9 M290X
    Power consumption (TDP) 140 Watt 100 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x16
    Supplementary power connectors One 6-pin None
    Memory type GDDR5 GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
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    • GeForce GTX 660 has 40% more power consumption, than Radeon R9 M290X.
    • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
    • Radeon R9 M290X has 2 GB more memory, than GeForce GTX 660.
    • GeForce GTX 660 is used in Desktops, and Radeon R9 M290X - in Laptops.
    • GeForce GTX 660 is build with Kepler architecture, and Radeon R9 M290X - with GCN.
    • Core clock speed of GeForce GTX 660 is 130 MHz higher, than Radeon R9 M290X.
    • GeForce GTX 660 and Radeon R9 M290X are manufactured by 28 nm process technology.
    • Memory clock speed of Radeon R9 M290X is 1194 MHz higher, than GeForce GTX 660.

    Game benchmarks

    high / 1080p 20−22 16−18
    ultra / 1080p 12−14 10−11
    QHD / 1440p 6−7 4−5
    4K / 2160p 5−6 4−5
    low / 720p 40−45 30−35
    medium / 1080p 24−27 20−22
    The average gaming FPS of GeForce GTX 660 in Assassin's Creed Odyssey is 26% more, than Radeon R9 M290X.

    Full Specs

      GeForce GTX 660 Radeon R9 M290X
    Architecture Kepler GCN
    Code name GK106 Neptune
    Type Desktop Laptop
    Release date 6 September 2012 7 January 2014
    Pipelines 960 1280
    Core clock speed 980 MHz 850 MHz
    Boost Clock 1033 MHz 900 MHz
    Transistor count 2,540 million 2,800 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 78.4 billion/sec 72.00
    Floating-point performance 1,981 gflops 2,304 gflops
    Length 9.5" (24.1 cm)
    Memory bus width 192-bit GDDR5 256 Bit
    Memory clock speed 6.0 GB/s 1200 MHz
    Memory bandwidth 144.2 GB/s 153.6 GB/s
    Shared memory -
    DirectX 12 (11_0)
    Shader Model 5.1 5.1
    OpenGL 4.3 4.4
    OpenCL 1.2 Not Listed
    Vulkan 1.1.126
    CUDA +
    FreeSync +
    CUDA cores 960
    Bus support PCI Express 3.0 PCIe 3.0 x16
    Height 4.376" (11.1 cm)
    SLI options +
    Multi monitor support 4 displays
    HDMI +
    HDCP +
    Maximum VGA resolution 2048x1536
    Audio input for HDMI Internal
    3D Blu-Ray +
    3D Gaming +
    3D Vision +
    Bitcoin / BTC (SHA256) 66 Mh/s 300 Mh/s
    Laptop size large
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
    Compute units 20
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